Turns standard 'next' and 'previous' post links into animated AJAX scrolling.
jMarquee makes it easy to add scrolling text or images.
Scroll to top plugin will add a button that hovers in the bottom right corner of your screen that allow users to smoothly scroll up your page.
Scroll page titles of your blog left to right or right to left in the browser.
Infinite scroll for your site with “paginator” and an easy way to go to the top/botttom.
Cooliris for WordPress lets you add an infinite wall of photos to your WordPress blog